The way that Earth’s first animals reproduced held back life’s diversity for millions of years, until stress and competition led to the development of sexual reproduction, which in turn accelerated ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...

Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

Scientists suggest Earth's earliest animals reproduced asexually, slowing evolution and delaying the biodiversity boom that ...

Asexual, or vegetative, reproduction in plants is controlled by environmental conditions, but the molecular signaling pathways that control this process are poorly understood. Recent research suggests ...

(Santa Barbara, Calif.) Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual ...

Vegetative reproduction from stems, roots and leaves is common to all plants and results in an identical plant from which the cutting came; it’s a clone. As gardeners, we propagate cuttings for many ...

Plant reproduction is highly complex and variable across the kingdom. The emergence of sexual reproduction has contributed to increase plant genetic diversity and enabled the colonisation of new ...

Stick insects that reproduce asexually cannot adapt as quickly in the course of evolution as sexually reproducing species, leading to a decrease in biological diversity, according to new research. An ...